The global oil glut will last through next year as surging demand and faltering supply growth fail to clear the surplus, according to the International Energy Agency. Record inventories will expand further even as consumption climbs by the most in five years in 2015 and supplies outside OPEC contract next year for the first time since 2008, the IEA predicted. Stockpiles won’t be diminished until the fourth quarter of 2016, or later if sanctions on Iranian crude are lifted following last month’s nuclear deal, the agency said. “While a rebalancing has clearly begun, the process is likely to be prolonged as a supply overhang is expected to persist through 2016 — suggesting global inventories will pile up further,” the Paris-based adviser to 29 nations said in its monthly report. Oil has slumped to a six-year low near $40 a barrel in New York as OPEC members boost output to […]